modify model

tools/goctl/model/sql/parser/parser.go

@@ -15,7 +15,11 @@ import (
 	"github.com/zeromicro/go-zero/tools/goctl/util/stringx"
 )
 
-const timeImport = "time.Time"
+const (
+	timeImport       = "time.Time"
+	decimalImport    = "decimal.Decimal"
+	decimalImportPtr = "*decimal.Decimal"
+)
 
 type (
 	// Table describes a mysql table
@@ -263,6 +267,16 @@ func (t *Table) ContainsTime() bool {
 	return false
 }
 
+// ContainsDecimal returns true if contains golang type decimal.Decimal
+func (t *Table) ContainsDecimal() bool {
+	for _, item := range t.Fields {
+		if item.DataType == decimalImport || item.DataType == decimalImportPtr {
+			return true
+		}
+	}
+	return false
+}
+
 // ConvertDataType converts mysql data type into golang data type
 func ConvertDataType(table *model.Table, strict bool) (*Table, error) {
 	isPrimaryDefaultNull := table.PrimaryKey.ColumnDefault == nil && table.PrimaryKey.IsNullAble == "YES"